tech giants calling on president obama. what are these companies looking for? >> they're looking for the us government to curtail its electronic surveillance program. eight of the biggest tech companies have signed an open letter to president obama and congress that will go in the papers today. they're done things like this before. the fed open letters and what is different now is there more angry than they have been in the past. they're also more specific in terms of what they would like the government to do. one thing they would like to see is some kind of limit on the authority of the government to also collect data. ceo of google, larry page, says we're doing our utmost to up our game in terms of asryption at google and even we do that we apparently learn that the government is wholesale taking this data off our servers, undermining our ability to provide our users with more secrecy. what is talking about is the nsa program called muscular at the world learned about at the end of october. as we learned that as of january of this year basically the nsa was t